Articles by Graham Barlow, Senior Editor, AI

Graham is the Senior Editor for AI at TechRadar. With over 25 years of experience in both online and print journalism, Graham has worked for various market-leading tech brands including Computeractive, PC Pro, iMore, MacFormat, Mac|Life, Maximum PC, and more. He specializes in reporting on everything to do with the most exciting subject in tech right now, Artificial Intelligence. AI is advancing at an accelerated pace and all the big brands from Apple, Microsoft and Google to chip makers NVIDIA are getting involved. TechRadar is here to bring you the latest updates on AI and show you how to get started and make it work for you, no matter your level of interest.

Graham has appeared on BBC TV shows like BBC One Breakfast and on Radio 4 commenting on the latest trends in tech. Graham has an honors degree in Computer Science and spends his spare time podcasting and blogging.

Articles by: Graham Barlow

I tested ChatGPT-5 vs ChatGPT-4o with 5 prompts – and there’s a clear winner

By Graham Barlow last updated 17 August 25

I ran 5 tests on GPT-5 and GPT-4o to find out if I could really tell the difference.

GPT-4o and older LLMs restored for paid ChatGPT users as OpenAI plans a GPT-5 personality upgrade

By Graham Barlow published 13 August 25

Latest Sam Altman tweet promises a new, warmer ChatGPT-5 is on the way, and more old LLMs are now available to paid users.

New tests show ChatGPT-5 is more accurate than GPT-4o – Grok still struggles with hallucinations

By Graham Barlow last updated 12 August 25

According to the latest figures ChatGPT-5 hallucinates less than GPT-4o, but Grok 4 hallucinates a lot more than most GPT models.

Sam Altman fires back at Elon Musk over OpenAI monopoly accusations

By Graham Barlow published 12 August 25

Sam Altman and Elon Musk are fighting a war on X over their apps on the Apple App Store.

Sam Altman says the super-powerful ChatGPT-5 Pro might be coming to Plus accounts, but with one big limitation

By Graham Barlow published 11 August 25

Sam Altman's latest tweet suggests that ChatGPT-5 Pro will soon be available for Plus users.

ICYMI: the week's 7 biggest tech stories from GPT-5's rocky debut to Sonos' upcoming price hike

By Hamish Hector published 9 August 25

This week ChatGPT got an upgrade, and Tom Holland swung back into action as Spider-Man.

OpenAI GPT-5 launch live – all the latest news as Sam Altman unveils the new model

By Graham Barlow, John-Anthony Disotto, Jacob Krol last updated 8 August 25

Join us for the release of ChatGPT-5 as it happens on our live blog of the event.

GPT-5 free tier – 3 cool features you can try now for nothing

By Graham Barlow published 7 August 25

ChatGPT-5 is available for all ChatGPT users – here are 3 great new features you can try today

Guess the movie from just emojis – try the TechRadar AI Challenge!

By Graham Barlow published 6 August 25

Can you name the famous movie from a description made up entirely of emojis?

I use this simple roleplay trick to boost my learning with ChatGPT, Gemini or any other AI, and you can too

By Graham Barlow published 6 August 25

Using roleplay in your prompts can make learning anything so much easier using ChatGPT, Gemini or any other AI.

Sam Altman hints at ChatGPT-5 delays and posts about ‘capacity crunches’ ahead for all ChatGPT users

By Graham Barlow published 4 August 25

Sam Altman warns of 'capacity crunches' as ChatGPT users hit image upload limits.

A drone under a cloth, the new DJI Osmo 360, and an AirTag being put in a shoe

ICYMI: the week's 7 biggest tech stories from DJI and Insta360 trading blows to OpenAI getting scared by its own AI

By Hamish Hector published 2 August 25

Here's your firmware update for August 2, 2025

The entries for the 2025 Reply AI Film Festival prove that using AI doesn’t have to mean the end of creativity

By Graham Barlow published 1 August 25

The ten finalists for the 2025 Reply AI Film Festival have been announced and it shows that AI can boost human creativity.

ChatGPT chats are now appearing in Google search – here’s how to stop Google from spying on your conversations

By Graham Barlow published 31 July 25

Thousands of ChatGPT conversations are just a Google search away – make sure yours aren’t among them.

AI glasses will become your primary computing devices according to Mark Zuckerberg as he ushers in the era of personal superintelligence

By Graham Barlow published 30 July 25

Meta CEO Mark Zuckerberg believes that personal superintelligence is almost here and will dominate the future.

I tried ChatGPT’s new Study Mode and it’s so good it made me wish I’d had something like this when I was at school

By Graham Barlow published 30 July 25

The new Study mode turns ChatGPT into a personal tutor designed to help kids with their homework.

AI just gave Titanic the ending it always deserved

By Graham Barlow published 29 July 25

A new AI video remakes the end scene of Titanic, but it doesn't turn out to be the happy ever after ending many wanted.

Microsoft just turned Edge into a futuristic voice-controlled AI browser using Copilot, and now I’m wondering why it took so long

By Graham Barlow published 28 July 25

Microsoft is adding a new Copilot Mode to its Edge browser that uses AI to help you find what you're looking for faster.

Your Mac just got smarter: OpenAI has added ChatGPT Agent to its Mac app

By Graham Barlow published 25 July 25

OpenAI has added its new Agent Mode to the macOS desktop app, bringing agentic AI to Apple laptop and desktop users.

This Ozzy Osbourne tribute video may have 5.8M views, but it just shows everything wrong with AI slop (and what the hell is that music?)

By Graham Barlow published 24 July 25

A new Ozzy Osbourne tribute video caught my attention, but for all the wrong reasons.

I asked ChatGPT the dumbest question about avoiding the Coldplay kisscam... and it gave me a shockingly smart answer

By Graham Barlow published 23 July 25

I asked ChatGPT how to dodge a Coldplay kisscam, and it gave me a full-blown strategy

Look out ChatGPT – the creator of Proton Mail has just launched a new AI chatbot that’s super-secure and private

By Graham Barlow published 23 July 25

Proton launches a new AI assistant called Lumo that puts the emphasis firmly on the security and privacy of your sensitive information.

‘Many people don’t feel comfortable opening up to family or friends’: OpenAI’s new Applications chief makes a bold mission statement that’s both revealing and scary

By Graham Barlow published 22 July 25

OpenAIs new top exec lays out scary vision for the future where people get support from AI instead of humans.

I asked ChatGPT to pitch 3 business ideas to serial entrepreneur Simon Squibb and his surprising feedback changed my mind about him

By Graham Barlow published 21 July 25

I asked ChatGPT to pitch 3 business ideas to serial entrepreneur Simon Squibb—his unexpected reactions blew me away

Donkey Kong next to a Marshall speaker and Fitbit

ICYMI: the week's 7 biggest tech new stories from Marshall's great new speaker to Fitbit's major outage

By Hamish Hector published 19 July 25

Here are the biggest tech news stories from Nintendo, Fitbit, OpenAI, Marshall, and more for July 19, 2025.

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